104438720

素因数分解:

$2^6\times 5^1\times {\mathrm{389}}^1\times {\mathrm{839}}^1$

素因数の和:1245

約数の個数: 56

約数和(自身を含む): 249631200

約数和(自身を除く): 145192480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 389, 778, 839, 1556, 1678, 1945, 3112, 3356, 3890, 4195, 6224, 6712, 7780, 8390, 12448, 13424, 15560, 16780, 24896, 26848, 31120, 33560, 53696, 62240, 67120, 124480, 134240, 268480, 326371, 652742, 1305484, 1631855, 2610968, 3263710, 5221936, 6527420, 10443872, 13054840, 20887744, 26109680, 52219360, 104438720]

約数ペア:

[(1, 104438720), (2, 52219360), (4, 26109680), (5, 20887744), (8, 13054840), (10, 10443872), (16, 6527420), (20, 5221936), (32, 3263710), (40, 2610968), (64, 1631855), (80, 1305484), (160, 652742), (320, 326371), (389, 268480), (778, 134240), (839, 124480), (1556, 67120), (1678, 62240), (1945, 53696), (3112, 33560), (3356, 31120), (3890, 26848), (4195, 24896), (6224, 16780), (6712, 15560), (7780, 13424), (8390, 12448)]